Resource usage measuring method and apparatus for performing the same

Abstract

A resource usage measuring method and an apparatus performing the same. The resource usage measuring method includes measuring a resource usage in a frequency domain based on a demodulation reference signal (DM-RS) transmitted from a base station, and measuring a resource usage in a time domain based on the DM-RS.

What is claimed is: 
     
         1 . A resource usage measuring method comprising:
 measuring a resource usage in a frequency domain based on a demodulation reference signal (DM-RS) transmitted from a base station; and   measuring a resource usage in a time domain based on the DM-RS.   
     
     
         2 . The resource usage measuring method of  claim 1 , wherein the measuring of the resource usage in the frequency domain comprises:
 detecting the number of resource blocks included in a resource block group allocated to physical downlink shared channel (PDSCH) scheduling; and   verifying whether the DM-RS is transmitted in a symbol in which the DM-RS is likely to be transmitted in the unit of the resource block group.   
     
     
         3 . The resource usage measuring method of  claim 2 , wherein the detecting comprises:
 determining a configuration of a bandwidth part (BWP) used by the base station; and   detecting the number of resource blocks included in the resource block group based on the configuration of the BWP.   
     
     
         4 . The resource usage measuring method of  claim 2 , wherein the verifying comprises verifying whether the DM-RS is transmitted based on a correlation in the unit of the resource blocks. 
     
     
         5 . The resource usage measuring method of  claim 1 , wherein the measuring of the resource usage in the frequency domain comprises detecting an index of a first resource block allocated to the PDSCH scheduling and the number of consecutive resource blocks. 
     
     
         6 . The resource usage measuring method of  claim 1 , wherein the measuring of the resource usage in the time domain comprises:
 detecting a DM-RS in a symbol;   determining PDSCH scheduling allocation combinations based on an index of the symbol in which the DM-RS is detected; and   determining a combination of symbols in which the DM-RS of the PDSCH is located among the combinations.   
     
     
         7 . The resource usage measuring method of  claim 6 , wherein the detecting comprises monitoring symbols in which the DM-RS of the PDSCH is likely to be located. 
     
     
         8 . The resource usage measuring method of  claim 6 , wherein the determining comprises determining the combination based on a reception power of the symbols. 
     
     
         9 . The resource usage measuring method of  claim 6 , wherein the determining comprises determining the combination based on a constellation of a signal transmitted in the symbols. 
     
     
         10 . A resource usage measuring apparatus comprising:
 a memory configured to store instructions; and   a processor configured to execute the instructions,   wherein when the instructions are executed by the processor, the processor is configured to:   measure a resource usage in a frequency domain based on a demodulation reference signal (DM-RS) transmitted from a base station, and measure a resource usage in a time domain based on the DM-RS.   
     
     
         11 . The resource usage measuring apparatus of  claim 10 , wherein the processor is configured to detect the number of resource blocks included in a resource block group allocated to physical downlink shared channel (PDSCH) scheduling, and verify whether the DM-RS is transmitted in a symbol in which the DM-RS is likely to be transmitted in the unit of the resource block group. 
     
     
         12 . The resource usage measuring apparatus of  claim 11 , wherein the processor is configured to determine a configuration of a bandwidth part (BWP) used by the base station, and detect the number of resource blocks included in the resource block group based on the configuration of the BWP. 
     
     
         13 . The resource usage measuring apparatus of  claim 11 , wherein the processor is configured to verify whether the DM-RS is transmitted based on a correlation in the unit of the resource blocks. 
     
     
         14 . The resource usage measuring apparatus of  claim 10 , wherein the processor is configured to detect an index of a first resource block allocated to the PDSCH scheduling and the number of consecutive resource blocks. 
     
     
         15 . The resource usage measuring apparatus of  claim 10 , wherein the processor is configured to detect a DM-RS in a symbol, determine PDSCH scheduling allocation combinations based on an index of the symbol in which the DM-RS is detected, and determine a combination of symbols in which the DM-RS of the PDSCH is located among the combinations. 
     
     
         16 . The resource usage measuring apparatus of  claim 15 , wherein the processor is configured to monitor symbols in which the DM-RS of the PDSCH is likely to be located. 
     
     
         17 . The resource usage measuring apparatus of  claim 15 , wherein the processor is configured to determine the combination based on a reception power of the symbols. 
     
     
         18 . The resource usage measuring apparatus of  claim 15 , wherein the processor is configured to determine the combination based on a constellation of a signal transmitted in the symbols.